function nyan(option) {
  var bpm = option.bpm || 120;
  // Intro
  var intro = beeplay({bpm: bpm})
    .play(null, 2)
    .play('D#5', 1/4).play('E5', 1/4).play('F#5', 1/2)
    .play('B5', 1/2).play('D#5', 1/4).play('E5', 1/4)
    .play('F#5', 1/4).play('B5', 1/4).play('C#6', 1/4).play('D#6', 1/4)
    .play('C#6', 1/4).play('A#5', 1/4).play('B5', 1/2)
    .play('F#5', 1/2).play('D#5', 1/4).play('E5', 1/4)
    .play('F#5', 1/2).play('B5', 1/2)
    .play('C#6', 1/4).play('A#5', 1/4).play('B5', 1/4).play('C#6', 1/4)
    .play('E6', 1/4).play('D#6', 1/4).play('E6', 1/4).play('C#6', 1/4);

  // Amero 1st
  var a1 = beeplay({bpm: bpm})
    .play(null, 2)
    .play(null, 8)
    .play('F#6', 1/2).play('G#6', 1/2)
    .play('C#6', 1/4).play('D#6', 1/2).play('B5', 1/4)
    .play('D6', 1/4).play('C#6', 1/4).play('B5', 1/2)
    .play('B5', 1/2).play('C#6', 1/2)
    .play('D6', 1/2).play('D6', 1/4).play('C#6', 1/4)
    .play('B5', 1/4).play('C#6', 1/4).play('D#6', 1/4).play('F#6', 1/4)
    .play('G#6', 1/4).play('D#6', 1/4).play('F#6', 1/4).play('C#6', 1/4)
    .play('D6', 1/4).play('B5', 1/4).play('C#6', 1/4).play('B5', 1/4)
    .play('D#6', 1/2).play('F#6', 1/2)
    .play('G#6', 1/4).play('D#6', 1/4).play('F#6', 1/4).play('C#6', 1/4)
    .play('D#6', 1/4).play('B5', 1/4).play('D6', 1/4).play('D#6', 1/4)
    .play('D6', 1/4).play('C#6', 1/4).play('B5', 1/4).play('C#6', 1/4)
    .play('D6', 1/2).play('B5', 1/4).play('C#6', 1/4)
    .play('D#6', 1/4).play('F#6', 1/4).play('C#6', 1/4).play('D6', 1/4)
    .play('C#6', 1/4).play('B5', 1/4).play('C#6', 1/2)
    .play('B5', 1/2).play('C#6', 1/2);

  // Amero 2nd
  var a2 = beeplay({bpm: bpm})
    .play(null, 2)
    .play(null, 8)
    .play(null, 16)
    .play('F#6', 1/2).play('G#6', 1/2)
    .play('C#6', 1/4).play('D#6', 1/2).play('B5', 1/4)
    .play('D6', 1/4).play('C#6', 1/4).play('B5', 1/2)
    .play('B5', 1/2).play('C#6', 1/2)
    .play('D6', 1/2).play('D6', 1/4).play('C#6', 1/4)
    .play('B5', 1/4).play('C#6', 1/4).play('D#6', 1/4).play('F#6', 1/4)
    .play('G#6', 1/4).play('D#6', 1/4).play('F#6', 1/4).play('C#6', 1/4)
    .play('D6', 1/4).play('B5', 1/4).play('C#6', 1/4).play('B5', 1/4)
    .play('D#6', 1/2).play('F#6', 1/2)
    .play('G#6', 1/4).play('D#6', 1/4).play('F#6', 1/4).play('C#6', 1/4)
    .play('D#6', 1/4).play('B5', 1/4).play('D6', 1/4).play('D#6', 1/4)
    .play('D6', 1/4).play('C#6', 1/4).play('B5', 1/4).play('C#6', 1/4)
    .play('D6', 1/2).play('B5', 1/4).play('C#6', 1/4)
    .play('D#6', 1/4).play('F#6', 1/4).play('C#6', 1/4).play('D6', 1/4)
    .play('C#6', 1/4).play('B5', 1/4).play('C#6', 1/2)
    .play('B5', 1/2).play('B5', 1/2);

  // Bmero 1st
  var b1 = beeplay({bpm: bpm})
    .play(null, 2)
    .play(null, 8)
    .play(null, 16)
    .play(null, 16)
    .play('B5', 1/2).play('F#5', 1/4).play('G#5', 1/4)
    .play('B5', 1/2).play('F#5', 1/4).play('G#5', 1/4)
    .play('B5', 1/4).play('C#6', 1/4).play('D#6', 1/4).play('B5', 1/4)
    .play('E6', 1/4).play('D#6', 1/4).play('E6', 1/4).play('F#6', 1/4)
    .play('B5', 1/2).play('B5', 1/2)
    .play('F#5', 1/4).play('G#5', 1/4).play('B5', 1/4).play('F#5', 1/4)
    .play('E6', 1/4).play('D#6', 1/4).play('C#6', 1/4).play('B5', 1/4)
    .play('F#5', 1/4).play('D#5', 1/4).play('E5', 1/4).play('F#5', 1/4)
    .play('B5', 1/2).play('F#5', 1/4).play('G#5', 1/4)
    .play('B5', 1/2).play('F#5', 1/4).play('G#5', 1/4)
    .play('B5', 1/4).play('B5', 1/4).play('C#6', 1/4).play('D#6', 1/4)
    .play('C#6', 1/4).play('F#5', 1/4).play('G#5', 1/4).play('F#5', 1/4)
    .play('B5', 1/2).play('B5', 1/4).play('A#5', 1/4)
    .play('B5', 1/4).play('F#5', 1/4).play('G#5', 1/4).play('B5', 1/4)
    .play('E6', 1/4).play('D#6', 1/4).play('E6', 1/4).play('F#6', 1/4)
    .play('B5', 1/2).play('A#5', 1/2);

  // Bmero 2nd
  var b2 = beeplay({bpm: bpm})
    .play(null, 2)
    .play(null, 8)
    .play(null, 16)
    .play(null, 16)
    .play(null, 16)
    .play('B5', 1/2).play('F#5', 1/4).play('G#5', 1/4)
    .play('B5', 1/2).play('F#5', 1/4).play('G#5', 1/4)
    .play('B5', 1/4).play('C#6', 1/4).play('D#6', 1/4).play('B5', 1/4)
    .play('E6', 1/4).play('D#6', 1/4).play('E6', 1/4).play('F#6', 1/4)
    .play('B5', 1/2).play('B5', 1/2)
    .play('F#5', 1/4).play('G#5', 1/4).play('B5', 1/4).play('F#5', 1/4)
    .play('E6', 1/4).play('D#6', 1/4).play('C#6', 1/4).play('B5', 1/4)
    .play('F#5', 1/4).play('D#5', 1/4).play('E5', 1/4).play('F#5', 1/4)
    .play('B5', 1/2).play('F#5', 1/4).play('G#5', 1/4)
    .play('B5', 1/2).play('F#5', 1/4).play('G#5', 1/4)
    .play('B5', 1/4).play('B5', 1/4).play('C#6', 1/4).play('D#6', 1/4)
    .play('C#6', 1/4).play('F#5', 1/4).play('G#5', 1/4).play('F#5', 1/4)
    .play('B5', 1/2).play('B5', 1/4).play('A#5', 1/4)
    .play('B5', 1/4).play('F#5', 1/4).play('G#5', 1/4).play('B5', 1/4)
    .play('E6', 1/4).play('D#6', 1/4).play('E6', 1/4).play('F#6', 1/4)
    .play('B5', 1/2).play('C#6', 1/2);

  // Back
  // A
  var back = beeplay({bpm: bpm})
    .play(null, 2)
    .play(null, 8)
    .play('E3', 1/2).play(['B3', 'E4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('D#3', 1/2).play(['A#3', 'D#4'], 1/2)
    .play('G#3', 1/2).play(['D#4', 'G#4'], 1/2)
    .play('C#3', 1/2).play(['G#3', 'C#4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('C#3', 1/4).play('C#4', 1/4).play('D#3', 1/4).play('D#4', 1/4)
    // B
    .play('E3', 1/2).play(['B3', 'E4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('D#3', 1/2).play(['A#3', 'D#4'], 1/2)
    .play('G#3', 1/2).play(['D#4', 'G#4'], 1/2)
    .play('C#3', 1/2).play(['G#3', 'C#4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    // loop
    .play('E3', 1/2).play(['B3', 'E4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('D#3', 1/2).play(['A#3', 'D#4'], 1/2)
    .play('G#3', 1/2).play(['D#4', 'G#4'], 1/2)
    .play('C#3', 1/2).play(['G#3', 'C#4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('C#3', 1/4).play('C#4', 1/4).play('D#3', 1/4).play('D#4', 1/4)
    .play('E3', 1/2).play(['B3', 'E4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('D#3', 1/2).play(['A#3', 'D#4'], 1/2)
    .play('G#3', 1/2).play(['D#4', 'G#4'], 1/2)
    .play('C#3', 1/2).play(['G#3', 'C#4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('E3', 1/2).play(['B3', 'E4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('D#3', 1/2).play(['A#3', 'D#4'], 1/2)
    .play('G#3', 1/2).play(['D#4', 'G#4'], 1/2)
    .play('C#3', 1/2).play(['G#3', 'C#4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('C#3', 1/4).play('C#4', 1/4).play('D#3', 1/4).play('D#4', 1/4)
    .play('E3', 1/2).play(['B3', 'E4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('D#3', 1/2).play(['A#3', 'D#4'], 1/2)
    .play('G#3', 1/2).play(['D#4', 'G#4'], 1/2)
    .play('C#3', 1/2).play(['G#3', 'C#4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('E3', 1/2).play(['B3', 'E4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('D#3', 1/2).play(['A#3', 'D#4'], 1/2)
    .play('G#3', 1/2).play(['D#4', 'G#4'], 1/2)
    .play('C#3', 1/2).play(['G#3', 'C#4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('C#3', 1/4).play('C#4', 1/4).play('D#3', 1/4).play('D#4', 1/4)
    .play('E3', 1/2).play(['B3', 'E4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('D#3', 1/2).play(['A#3', 'D#4'], 1/2)
    .play('G#3', 1/2).play(['D#4', 'G#4'], 1/2)
    .play('C#3', 1/2).play(['G#3', 'C#4'], 1/2)
    .play('F#3', 1/2).play(['C#4', 'F#4'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2)
    .play('B2', 1/2).play(['F#3', 'B3'], 1/2);
}
